verilator_gantt: Fix argument report omitting last digits

bin/verilator_gantt

@@ -36,8 +36,8 @@ def read_data(filename):
         re_eval = re.compile(r'^VLPROF eval\sstart\s(\d+)\selapsed\s(\d+)')
         re_loop = re.compile(
             r'^VLPROF eval_loop\sstart\s(\d+)\selapsed\s(\d+)')
-        re_arg1 = re.compile(r'VLPROF arg\s+(\S+)\+([0-9.])\s*')
-        re_arg2 = re.compile(r'VLPROF arg\s+(\S+)\s+([0-9.])\s*$')
+        re_arg1 = re.compile(r'VLPROF arg\s+(\S+)\+([0-9.]*)\s*')
+        re_arg2 = re.compile(r'VLPROF arg\s+(\S+)\s+([0-9.]*)\s*$')
         re_stat = re.compile(r'VLPROF stat\s+(\S+)\s+([0-9.]+)')
         re_time = re.compile(r'rdtsc time = (\d+) ticks')
         re_proc_cpu = re.compile(r'VLPROFPROC processor\s*:\s*(\d+)\s*$')

src/V3Hasher.cpp

@@ -81,7 +81,7 @@ private:
 
     virtual void visit(AstNode* nodep) override {
 #if VL_DEBUG
-        UINFO(0, "%Warning: Hashing node as AstNode: " << nodep);
+        UINFO(0, "%Warning: Hashing node as AstNode: " << nodep << endl);
 #endif
         m_hash += hashNodeAndIterate(nodep, HASH_DTYPE, HASH_CHILDREN, [=]() {});
     }

test_regress/t/t_gantt.pl

@@ -8,8 +8,6 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 # Version 2.0.
 # SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
 
-use IO::File;
-
 # Test for bin/verilator_gantt,
 #
 # Only needed in multithreaded regression.